///////////////////////////////////////////////////////////////////////////////
// $Id$
//
// 3DimViewer
// Lightweight 3D DICOM viewer.
//
// Copyright 2008-2016 3Dim Laboratory s.r.o.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
///////////////////////////////////////////////////////////////////////////////

#ifndef CBitOperations_H
#define CBitOperations_H

namespace data
{

//#define BITINDEXTEST 1

#ifdef BITINDEXTEST

#define INDEXTEST { assert(bitIndex >= 0 && sizeof(tPixel) > bitIndex);};

#else

#define INDEXTEST

#endif

template <class tPixel>
int getBitFromValue(const tPixel& value, tPixel bitIndex)
{
    INDEXTEST;

    tPixel mask = tPixel(1) << bitIndex;
    tPixel maskedValue = value & mask;
    return maskedValue >> bitIndex;
}

template <class tPixel>
void setBitInValue(tPixel& value, tPixel bitIndex)
{
    INDEXTEST;

    value |= tPixel(1) << bitIndex;
}

template <class tPixel>
void clearBitInValue(tPixel& value, tPixel bitIndex)
{
    INDEXTEST;

    value &= ~(tPixel(1) << bitIndex);
}

}

#endif // CBitOperations_H

  ///////////////////////////////////////////////////////////////////////////////
  ///////////////////////////////////////////////////////////////////////////////
